1304828039 has 2 divisors, whose sum is σ = 1304828040. Its totient is φ = 1304828038.

The previous prime is 1304828027. The next prime is 1304828087. The reversal of 1304828039 is 9308284031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304828039 - 2¹² = 1304823943 is a prime.

It is a super-2 number, since 2×1304828039² = 3405152422721171042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304827993 and 1304828011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304828339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652414019 + 652414020.

It is an arithmetic number, because the mean of its divisors is an integer number (652414020).

Almost surely, 2^1304828039 is an apocalyptic number.

1304828039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304828039 is an equidigital number, since it uses as much as digits as its factorization.

1304828039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1304828039 is about 36122.4035606713. The cubic root of 1304828039 is about 1092.7423132327.

The spelling of 1304828039 in words is "one billion, three hundred four million, eight hundred twenty-eight thousand, thirty-nine".